# PSA: Postmortem(s) rollup **URL:** \ **Category:** Fresh Produce\ **Tags:** blog, postmortem\ **Created:** [March 15, 2026, 7:26am UTC](https://community.fly.io/t/psa-postmortem-s-rollup/27367 "2026-03-15T07:26:33Z")\ **Posts on this page:** 1\ **Showing post:** 64
**Author:** ![mayailurus](https://sea1.discourse-cdn.com/fly1/user_avatar/community.fly.io/mayailurus/32/17593_2.png) [@mayailurus](https://community.fly.io/u/mayailurus)\ **Post date:** [October 6, 2026, 1:12am UTC](https://community.fly.io/t/psa-postmortem-s-rollup/27367/64 "2026-10-06T01:12:55Z")
Builder outages have gotten rarer lately, but [another set](https://community.fly.io/t/depot-builds-fail-every-time-failed-to-list-workers-authentication-handshake-failed-eof/28636) appeared. This time, it was due to a DNS glitch instead of the previous pattern of capacity shortfalls… | incid. date | pub. date | description | | --- | --- | --- | | 09/15 | 09/28 | [Stuck DNS broke some Depot builds](https://fly.io/infra-log/stuck-dns-depot-builds/) (SYD, JNB) | | 09/19 | 10/05 | [Sprite create failures due to network instability](https://fly.io/infra-log/sprite-create-failures/) | | 09/19 | 10/05 | [WireGuard gateways couldn’t reach recently created or moved Machines via 6PN](https://fly.io/infra-log/wireguard-gateways-6pn/) | | 09/23 | 09/24\* | [Upstash unavailability in FRA region](https://status.flyio.net/incidents/9855z4sdljbr) | \*Postmortem published inline at `status.flyio.net`, rather than as a separate Infra Log entry. The third row may have been the underlying cause of the [series of isolated SSH failures](https://community.fly.io/t/machine-unreachable-from-wireguard-peer-but-healthy-and-reachable-from-other-apps-in-the-same-org/28666) that started on [the 17th.](https://community.fly.io/t/28660) * * * Aside: The first Log entry mentioned in its final sentence that major changes to the DNS infrastructure are in the works, which is intriguing… --- _[View the full topic](https://community.fly.io/t/psa-postmortem-s-rollup/27367)._